Update workflows to use node 20

.github/workflows/workflow.yml

@@ -7,34 +7,17 @@ on:
 jobs:
   build:
     strategy:
-      matrix:
-        os:
-          - ubuntu-latest
-        node-version:
-          - 13.x
-
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout code
-        uses: actions/[email protected]
-
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v2
-        with:
-          node-version: ${{ matrix.node-version }}
-
-      - name: Get yarn cache directory path
-        id: yarn
-        run: echo "::set-output name=dir::$(yarn cache dir)"
+        uses: actions/checkout@v4
 
-      - name: Restore yarn cache
-        uses: actions/[email protected]
+      - name: Use Node.js
+        uses: actions/setup-node@v4
         with:
-          path: ${{ steps.yarn.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          node-version: 20
+          cache: yarn
 
       - name: Install packages
         run: yarn --frozen-lockfile

README.md

@@ -9,13 +9,13 @@ A website for making Animal Crossing tunes, written in OCaml with
 
 - Install dependencies
 
-```
+```sh
 yarn install
 ```
 
 - Run the development server
 
-```
+```sh
 yarn dev
 ```
 
@@ -28,7 +28,7 @@ classes/elements to exist.
 
 ## Production
 
-```
+```sh
 yarn run build
 ```
 
@@ -46,18 +46,18 @@ in `static/CNAME` if you're using your CNAME).
 
 - Install OCaml 4.06.1 (Note: BuckleScript requires 4.06.x)
 
-```
+```sh
 opam switch create 4.06.1
 ```
 
 - Install OCaml-LSP and ocamlformat
 
-```
+```sh
 opam pin add ocaml-lsp-server https://github.com/ocaml/ocaml-lsp.git
 opam install ocaml-lsp-server
 ```
 
-```
+```sh
 opam install ocamlformat
 ```